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 The 23rd floor of the Hotel Viru in Tallinn has been carefully preserved as a reminder of Estonia's past. Like much else in the Soviet era, it did not officially exist even though everyone knew it was there. It was where the KGB sat every day and night to eavesdrop on the conversations of the hotel's mostly foreign guests. It remains today as it was when the Soviet spies hastily evacuated at Estonian independence 23 years ago, leaving their listening equipment behind them.

 Raed the story here.